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Arizona

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USGS
October 22, 2018

In situ observations of the physical properties of the Martian surface

In situ observations of the physical properties of the Martian surface.

USGS
October 22, 2018

Volcanic Deltas and Possible Martian Analogs

Volcanic Deltas and Possible Martian Analogs.

Image: Grand Canyon

Grand Canyon

Sun making shadows at the Grand Canyon.

USGS
October 22, 2018

Comparison between Interior Layered Deposits in Valles Marineris and..

Comparison between Interior Layered Deposits in Valles Marineris and Terrestrial Sub-ice Volcanoes.

Image: Grand Canyon

Grand Canyon

Colorado River view.

Thumbnail of a poster which is laid out with photos, images, and text.
January 1, 2005

Flying Eyeball Measures Grand Canyon Sand

Poster about the  USGS Pacific Coastal and Marine Science Center's development of an instrument called the "flying eyeball" to measure river sand, from 1993-2004.

USGS
October 22, 2018

Comparison between Elysium Fossae Ridges and Terrestrial Sub-ice Volca

Comparison between Elysium Fossae Ridges and Terrestrial Sub-ice Volcanoes.

Image: Arizona Black Rattlesnake

Arizona Black Rattlesnake

The Arizona black rattlesnake is a high-elevation medium-sized (<1,000 mm) rattlesnake found primarily in Arizona and extreme western New Mexico. Adults are dark brown or black in background color, with white- or yellow-edged barker hexagonal blotches. Juveniles are born with a grey background and dark blotches. Arizona black rattlesnakes are typically found in pine-oak

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Image: Arizona Upland Plant Community in the Sonoran Desert

Arizona Upland Plant Community in the Sonoran Desert

In the drier Arizona upland plant communities, pictured here, some species will likely decline with forecasted climate change (such as foothill paloverde, ocotillo and creosote bush) while cacti may well increase in abundance and range.

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USGS science for a changing world logo
April 23, 2001

The effect of low flows of the Colorado River, last summer, on fish, sand distribution, power production, recreation and other aspects of the river environment will be the focus of a Grand Canyon Science Symposium, April 26 and 27, at the Little America Hotel Conference Center in Flagstaff, Ariz.

USGS
April 23, 2001

The effect of low flows of the Colorado River, last summer, on fish, sand distribution, power production, recreation and other aspects of the river environment will be the focus of a Grand Canyon Science Symposium, April 26 and 27, at the Little America Hotel Conference Center in Flagstaff, Ariz.

USGS science for a changing world logo
April 18, 2001

Following the great 1906 San Francisco earthquake, a large number of distant aftershocks or triggered earthquakes occurred much farther away from the fault than previously realized, according to scientists at the U.S. Geological Survey.

USGS
April 18, 2001

Following the great 1906 San Francisco earthquake, a large number of distant aftershocks or triggered earthquakes occurred much farther away from the fault than previously realized, according to scientists at the U.S. Geological Survey.

USGS science for a changing world logo
March 14, 2001

The health and environment of desert tortoises will be the focus of the 26th Annual Meeting and Symposium of the Desert Tortoise Council, in Tucson, Ariz., March 16 through 19.

USGS
March 14, 2001

The health and environment of desert tortoises will be the focus of the 26th Annual Meeting and Symposium of the Desert Tortoise Council, in Tucson, Ariz., March 16 through 19.

USGS science for a changing world logo
February 23, 2001

A new U.S. Geological Survey (USGS) assessment of the nation’s coal resources shows abundant high quality, low-sulfur coal on federal and private lands in the Colorado Plateau region of Arizona, Colorado, New Mexico and Utah. The area is also home to vast quantities of coal bed methane gas - natural gas contained in coal.

USGS
March 29, 2000

Even as the Chiricahua leopard frog has disappeared from 80 percent of its former habitat, scientists, resource managers, ranchers, volunteer naturalists and even teachers and schoolchildren are striving to discover what is killing this frog and to sustain its populations in southeast Arizona until answers are found.

USGS
February 11, 2000

Following a competitive nation-wide search, Dr. Barry D. Gold has been named to head the Grand Canyon Monitoring and Research Center of the U.S. Department of the Interior, by Dr. Charles R. Groat, director of the U.S. Geological Survey.

USGS
November 5, 1999

Weather forecasts and the Southwestern environment will be highlighted Wednesday afternoon, November 10, as The U.S. Geological Survey and the National Weather Service (NWS) host an open house at their facilities in the Dennis DeConcini Environment and Natural Resources Building on the University of Arizona campus.

USGS
March 18, 1997

Following the official dedication Friday morning, March 21, 1997, of the University of Arizona’s new Environment and Natural Resources Building, the public is invited to tour the facility on the campus at the northeast corner of Sixth Street and Park Avenue.

USGS
March 18, 1997

You no doubt are already aware of the March 21, 1997 dedication ceremony for the University of Arizona’s new Environmental and Natural Resources building at 520 North Park Avenue in Tucson. The building will be occupied by the U.S. Geological Survey, the U.S. Weather Service, and U of A students.